Best and worst dressed stars at the 2015 Golden Globes

The Golden Globes kicked off the 2015 awards show season, and lots of celebs came out swinging with hot dresses that set the standard for the rest of the spring.

Lemon yellow dresses seemed to be the hot color of the season with actresses Naomi Watts, Leslie Mann and Jenna Dewan-Taum going for the sunshine tone that worked wonders on all of them. The flattering color was a nice change from basic black, as well.

Another stunner of the evening was Sienna Miller who rocked an on-trend long bob and a beaded boho gown.

Of course, we can't talk about glamorous red carpet fashion without mentioning George Clooney's new wife, Amal. The international human rights lawyer stole the show in a "Breakfast at Tiffany's"-like look with a black dress and white gloves, which she revealed were her own. For his part, Clooney wore the same tuxedo that he donned for their Venice wedding. Could they get any more perfect?

Best dressed celebrities at the 2015 Golden Globes:

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Best dressed Golden Globes

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Best and worst dressed stars at the 2015 Golden Globes

Sienna Miller is just one of those effortless beauties. The blondie looked fabulous in her embroidered gown with a plunging neckline and a cropped hem that showed off her strappy sandals. (Photo by Frazer Harrison/Getty Images)

"How to Get Away with Murder" star Viola Davis looked criminally gorgeous in this gem-encrusted, red gown that made her absolutely glow. (Photo by Jason Merritt/Getty Images)

Jessica Chastain stunned in a metallic dress with a plunging neckline. She polished off her look with Jessica Rabbit-esque locks. (Photo by Steve Granitz/WireImage)

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While some stars nailed their red carpet looks, other failed to wow and may need to find new stylists before the SAG aAards later this month. The entire cast of HBO's "Girls" left us underwhelmed with ill-fitting dresses and an odd decision to match hair and dress color.

Claire Danes is beautiful no matter what she wears, but her Valentino dress seemed to be a little big in the bust. Laura Pepon kept it simple in black, but came off looking a bit like Morticia Addams with her shiny dark hair.

Worst dressed celebrities at the 2015 Golden Globes:

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Worst dressed Golden Globes

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Best and worst dressed stars at the 2015 Golden Globes

We love how actress Robin Wright embraced the crop top trend, but the black bottom and embellished slit makes this outfit look dark and heavy. (Photo by George Pimentel/WireImage)

Some people loved Allison Williams' ruffled red number from Armani Prive, but we thought she looked like a sparkly extension of the red carpet itself. (Photo by Jeff Vespa/WireImage)